Organization of American States vs Jamaica

Organization of American States and Jamaica both are nouns.

Word	Noun	Adjective	Verb	Adverb
Organization of American States	Yes	No	No	No
Jamaica	Yes	No	No	No

Organization of American States (noun)	Jamaica (noun)
an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation	a country on the island of Jamaica; became independent of England in 1962; much poverty; the major industry is tourism
	an island in the West Indies to the south of Cuba and to the west of Haiti